ARM: shmobile: convert to twd_local_timer_register() interface
Add support for the new smp_twd runtime registration interface to the shmobile platforms, and remove the old compile-time support. Cc: Magnus Damm <magnus.damm@gmail.com> Cc: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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@ -16,7 +16,6 @@ obj-$(CONFIG_ARCH_R8A7779) += setup-r8a7779.o clock-r8a7779.o intc-r8a7779.o
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# SMP objects
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smp-y := platsmp.o headsmp.o
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smp-$(CONFIG_HOTPLUG_CPU) += hotplug.o
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smp-$(CONFIG_LOCAL_TIMERS) += localtimer.o
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smp-$(CONFIG_ARCH_SH73A0) += smp-sh73a0.o
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smp-$(CONFIG_ARCH_R8A7779) += smp-r8a7779.o
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@ -2,6 +2,8 @@
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#define __ARCH_MACH_COMMON_H
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extern struct sys_timer shmobile_timer;
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struct twd_local_timer;
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void shmobile_twd_init(struct twd_local_timer *twd_local_timer);
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extern void shmobile_setup_console(void);
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extern void shmobile_secondary_vector(void);
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extern int shmobile_platform_cpu_kill(unsigned int cpu);
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@ -1,26 +0,0 @@
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/*
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* SMP support for R-Mobile / SH-Mobile - local timer portion
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*
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* Copyright (C) 2010 Magnus Damm
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*
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* Based on vexpress, Copyright (C) 2002 ARM Ltd, All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/init.h>
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#include <linux/smp.h>
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#include <linux/clockchips.h>
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#include <asm/smp_twd.h>
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#include <asm/localtimer.h>
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/*
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* Setup the local clock events for a CPU.
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*/
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int __cpuinit local_timer_setup(struct clock_event_device *evt)
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{
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evt->irq = 29;
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twd_timer_setup(evt);
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return 0;
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}
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@ -17,7 +17,6 @@
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#include <linux/smp.h>
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#include <linux/io.h>
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#include <asm/hardware/gic.h>
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#include <asm/localtimer.h>
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#include <asm/mach-types.h>
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#include <mach/common.h>
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@ -64,6 +64,8 @@ static void __iomem *scu_base_addr(void)
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static DEFINE_SPINLOCK(scu_lock);
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static unsigned long tmp;
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static DEFINE_TWD_LOCAL_TIMER(twd_local_timer, 0xf0000600, 29);
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static void modify_scu_cpu_psr(unsigned long set, unsigned long clr)
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{
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void __iomem *scu_base = scu_base_addr();
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@ -82,11 +84,7 @@ unsigned int __init r8a7779_get_core_count(void)
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{
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void __iomem *scu_base = scu_base_addr();
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#ifdef CONFIG_HAVE_ARM_TWD
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/* twd_base needs to be initialized before percpu_timer_setup() */
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twd_base = (void __iomem *)0xf0000600;
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#endif
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shmobile_twd_init(&twd_local_timer);
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return scu_get_core_count(scu_base);
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}
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@ -42,6 +42,8 @@ static void __iomem *scu_base_addr(void)
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static DEFINE_SPINLOCK(scu_lock);
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static unsigned long tmp;
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static DEFINE_TWD_LOCAL_TIMER(twd_local_timer, 0xf0000600, 29);
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static void modify_scu_cpu_psr(unsigned long set, unsigned long clr)
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{
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void __iomem *scu_base = scu_base_addr();
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@ -60,11 +62,7 @@ unsigned int __init sh73a0_get_core_count(void)
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{
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void __iomem *scu_base = scu_base_addr();
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#ifdef CONFIG_HAVE_ARM_TWD
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/* twd_base needs to be initialized before percpu_timer_setup() */
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twd_base = (void __iomem *)0xf0000600;
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#endif
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shmobile_twd_init(&twd_local_timer);
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return scu_get_core_count(scu_base);
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}
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@ -20,6 +20,7 @@
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*/
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#include <linux/platform_device.h>
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#include <asm/mach/time.h>
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#include <asm/smp_twd.h>
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static void __init shmobile_late_time_init(void)
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{
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late_time_init = shmobile_late_time_init;
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}
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void __init shmobile_twd_init(struct twd_local_timer *twd_local_timer)
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{
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#ifdef CONFIG_HAVE_ARM_TWD
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int err = twd_local_timer_register(twd_local_timer);
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if (err)
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pr_err("twd_local_timer_register failed %d\n", err);
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#endif
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}
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struct sys_timer shmobile_timer = {
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.init = shmobile_timer_init,
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};
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